Mining Incidents

Larson Pit: 1 reportable incident Metal/Non-Metal

Weld County, CO  ·  Abandoned
MSHA Mine ID: 0503988

MSHA record for Larson Pit (mine ID 0503988). Fatalities, non-fatal incidents grouped by year, current operator and controller, and mine context.

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Fatalities
0
Total incidents
1
Years on record
1985
Latest incident
Jun 1985
Ownership history
  1. Zigan Sand & Gravel Inc 1984 to 1990
  2. Siegrist Construction Company 1990 to present
Source: MSHA controller and operator history, updated weekly.

Larson Pit sits in Weld County, Colorado, where the Census mining category is 2.4% of county employment.

Local economic context
County figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.
Weld County, Colorado · Population 340,711
2.4%
Mining share of county employment
$93,287
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
No fatalities recorded at this mine.

Reportable incidents

1 on file

1985 · 1 incident

June 22, 1985 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Zigan Sand & Gravel Inc · Over-exertion in lifting objects

CLEANING UP & MOVING OLD SCREEN WIRE TO DISCARD & HAUL AWAY I.NAME LIFTING A PIECE OF SCREEN HURT LOWER BACK.